CVE-2025-9580 LB-LINK BL-X26 HTTP set_blacklist os command injection
Remote attackers can execute arbitrary OS commands via the mac argument in the set_blacklist handler of LB-LINK BL-X26 routers.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-9580?
CVE-2025-9580 is a medium-severity command injection vulnerability in LB-LINK BL-X26, published on 28 Aug 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security vulnerability has been detected in LB-LINK BL-X26 1.2.8. This affects an unknown function of the file /goform/set_blacklist of the component HTTP Handler. Such manipulation of the argument mac leads to os command injection. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2025-9580?
It affects 1 product.
Products include Lb-Link Bl-X26 Firmware.
How do I fix CVE-2025-9580?
No fix has been published for CVE-2025-9580 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2025-9580 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-9580 exists.
Sources
Also known as GHSA-6fg7-r75c-p826.